@book{15131,
	author = {Perrin, Richard},
	title = {From aGrãnomic data to farmer recommendations/ Richard Perrin, Donald Winkelmann, Edgardo Moscardi},
	publisher = {Centro Internacional de mejoramiento de Maiz y Trigo,},
	year = {1988},
	address = {Lisboa:},
	note = {exemplares}
}